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ABH STUDY QUESTIONS > H MANUAL Chapter 5 > Flashcards

H MANUAL Chapter 5 Flashcards

0
Q

The most common method of controlling or extinguishing a fire is to eliminate one or more of the sides of the tetrahedron. This can be accomplished by the following methods: smothering, cooling or what?

A

Starving

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1
Q

What class of fires (burning wood and wood products, cloth, textiles and fibrous materials, paper and paper products) are extinguished with water in straight or fog pattern?

A

Class A

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2
Q

Class B fires (petroleum based products, gasoline, jet fuel, oil and other flammable/combustible liquids) are extinguished with AFFF, halon 1211, PKP, and what else?

A

CO2

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3
Q

What class of fire involve energized electrical equipment?

A

Class C

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4
Q

Attack Class C fires with non conductive agents (co2, halon 1212, PKP) or attack with application of fresh or salt water in fog patterns maintaining nozzle at least how many feet from the energized object?

A

4 FT

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5
Q

Class D fires (combustible metals such as what) are extinguished with water in large quantities applied in a narrow angle fog?

A

Magnesium and titanium

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6
Q

The temperature produced by the burning of vaporized fuel and air is intense (approximately how many degrees?)

A

1,500 degrees

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7
Q

What along with jet fuels constitute the principle problems in aircraft fire fighting?

A

AVGAS

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8
Q

The flashpoint of AVGAS is -50 degrees. The rate of flame spread has been calculated to be between 700 and how many feet per minute?

A

800

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9
Q

What jet fuel is a blend of gasoline and kerosene and has a flashpoint from -10 degrees?

A

JP-4

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10
Q

JP-5 is a kerosene grade with a flashpoint of 140 degrees. The rate of flame spread has been calculated to be in the order of how many feet?

A

100 FT

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11
Q

The lowest flashpoint considered safe for use aboard naval vessels is what?

A

140 degrees

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12
Q

JP-8 is a kerosene grade with a flashpoint of what?

A

100 degrees

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13
Q

What is a type of fuel whose energy is derived from biological carbon fixation?

A

Biofuel

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14
Q

Fuel loads can vary from 30 gallons in small aircraft to approximately how many gallons in large jet aircraft?

A

50,000 gallons

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15
Q

What is a flexible poly ether and polyester polyurethane foam installed in certain aircraft fuel cells to provide explosive protection from projectile penetration in a hostile environment?

A

ESF (explosive suppressive foam)

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16
Q

Hydrazine has a flashpoint of what?

A

126 degrees

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17
Q

If liquid hydrazine is splashed in the eyes or in the skin, flood with water for how many minutes at a minimum and seek medical care?

A

15 minutes

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18
Q

Emergency limits for exposure to hydrazine vapors are in connection of 30 parts per million for 10 minutes, 20 ppm for 30 minutes, 10 ppm for 60 minutes. Irreversible health effects occur at how many ppm for 30 minutes?

A

80 ppm

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19
Q

Hydrazine will become hypergolic with exposure to oxidizers, it’s fires can be best handled by diluting with large amounts of what?

A

Water

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20
Q

JP-5 is a kerosene grade with a flashpoint of 140 degrees. The rate of flame spread has been calculated to be in the order of how many feet?

A

100 FT

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21
Q

The lowest flashpoint considered safe for use aboard naval vessels is what?

A

140 degrees

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22
Q

JP-8 is a kerosene grade with a flashpoint of what?

A

100 degrees

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23
Q

What is a type of fuel whose energy is derived from biological carbon fixation?

A

Biofuel

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24
Q

Fuel loads can vary from 30 gallons in small aircraft to approximately how many gallons in large jet aircraft?

A

50,000 gallons

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25
Q

What is a flexible poly ether and polyester polyurethane foam installed in certain aircraft fuel cells to provide explosive protection from projectile penetration in a hostile environment?

A

ESF (explosive suppressive foam)

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26
Q

Hydrazine has a flashpoint of what?

A

126 degrees

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27
Q

If liquid hydrazine is splashed in the eyes or in the skin, flood with water for how many minutes at a minimum and seek medical care?

A

15 minutes

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28
Q

Emergency limits for exposure to hydrazine vapors are in connection of 30 parts per million for 10 minutes, 20 ppm for 30 minutes, 10 ppm for 60 minutes. Irreversible health effects occur at how many ppm for 30 minutes?

A

80 ppm

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29
Q

Hydrazine will become hypergolic with exposure to oxidizers, it’s fires can be best handled by diluting with large amounts of what?

A

Water

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30
Q

Liquid oxygen is a light blue liquid that flows like water and is extremely cold. It boils into a gaseous oxygen at -297 degrees F and has an expansion rate of approximately what?

A

860 to 1

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31
Q

An effective method of stopping an oxygen leak is to spray the leak with what?

A

Water fog

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32
Q

Anti-icing fluids are usually a mixture of about 85% alcohol and 15% what?

A

Glycerin

33
Q

Class A combustibles in aircraft fired are best extinguished with what?

A

AFFF

34
Q

Grade JP-4 jet fuel is a blend of gasoline and kerosene and has a flashpoint beginning as low as what?

A

10 degrees

35
Q

What shall not be directed into a battery compartment to effect cooling or displace explosive gases?

A

CO2

36
Q

Dry chemical, carbon dioxide and Class D extinguisher, including LITH-X, have been found to be generally ineffective and are not recommended for what type of fires?

A

Lithium battery

37
Q

What can be used to asses whether a disconnected battery temperature is rising over time?

A

TIC (thermal imaging camera)

38
Q

Historically weapons have been called for a minimum of how many minutes or until deemed safe EOD personnel?

A

15 minutes

39
Q

In the past the Navy has used hypergolic mixtures for propulsion in rocket motors and ballistic missiles, now the only mixture currently in use by the Navy is used to propel what?

A

AQM-37 Target Drone

40
Q

What is a stable liquid mono-propellant used in the propulsion of the MK-46 Torpedo?

A

Otto fuel II

41
Q

The nitrate esters in the Otto fuel are known for their acute effects, including nasal turgidity, blood pressure changes, headaches and what else?

A

Dyspnea

42
Q

The most efficient method of extinguishing an Otto fuel II Fire is to cool the propellant below what temperature?

A

250 degrees

43
Q

Otto fuel concentrations of less than 1.0 ppm, but greater than how many ppm, produce a complete nasal blockage in some individuals?

A

0.4 ppm

44
Q

The MK 50 torpedo’s internal propulsion system is fueled by how many pounds of lithium?

A

16lbs.

45
Q

Hydrogen ignition may produce a pressure wave of burning lithium that can be scattered a distance of approximately how many feet?

A

50FT

46
Q

Polyethylene packaging material (bubble packs) present a hazard in that they cannot be extinguished by water only. What must be used on these materials to preclude a continued re flash?

A

AFFF

47
Q

Composite materials that are reinforced with what kind of fibers provide superior stiffness, high strength-to-weight ratio and ease of fabrication?

A

Carbon/graphite

48
Q

Approximately what temperature will cause epoxy binder to ignite or decompose?

A

752 degrees

49
Q

AM-241 emits potentially hazardous amounts of alpha and gamma radiation. Alpha entrance is approximate 5 MeV, gamma remittance is approximately what?

A

60 KeV

50
Q

What is a light, gray-white no radioactive, hard and brittle metal that resembles magnesium and may be found on some aircraft?

A

Beryllium

51
Q

What contains the standard hand, wand, and light signals used by the aircraft handling, aircrews, aircraft firefighting, and other aircraft support personnel?

A

NAVAIR 00-80T-113

52
Q

Three-percent and what percent AFFF concentrate is approved for naval use?

A

6%

53
Q

Within the CVN, LHD, and LHA damage control organization are how many repair teams in the air department?

A

THREE

54
Q

Who is responsible for aircraft firefighting, salvage, jettison and personnel rescue?

A

Air boss

55
Q

Who is responsible for coordination of all aircraft movement on the flight/hangar decks during aircraft crash and fire evolutions and ensures communication between the scenery see and PRIFLY?

A

ACHO (aircraft handling officer)

56
Q

Who is responsible for organizing, supervising and training the crash, salvage and rescue team (both flight and hangar) and maintaining and operation assigned equipment on the flight deck?

A

Air boatswain

57
Q

Who is a trained individual in the vicinity of an incident who understands the requirements of the emergency and accepts responsibility for directing all available firefighting assists and at the scene?

A

Scene leader

58
Q

AFFF hoses shall be deployed to the scene using maximum personnel participation. When in place, a hose team shall consist of one AFFF hose with a minimum of how many persons?

A

5

59
Q

In each hangar bay, PFFPE’s shall be available for a minimum of how many SCBA-equipped hot-suit man?

A

Two

60
Q

The air cylinder is usually of a 30 minute, 45 minute or how many minute rated duration?

A

60 minute

61
Q

Cari-nozzles are used on all AFFF and saltwater hose lines. Flow rates are how many gpm for all 2 1/2” hose lines?

A

250 gpm

62
Q

Procurements of the coat, trousers, helmet, footwear android unity gloves specified as elements of the PFFPE shall meet the requirements of what?

A

NFPA 1971

63
Q

PFFPE shall be maintained in accordance with what?

A

NFPA 1851

64
Q

What provides firefighters and rescue personnel with the ability to detect surface temperatures on areas exposed to fires?

A

TIC (thermal imaging camera)

65
Q

Personnel assigned to crash and salvage shall attend the aircraft firefighting shipboard training team course once during an 18 month cycle or whenever the team experiences a greater than what percent turnover?

A

40%

66
Q

1 1/2” AFFF hose reels and variable pattern nozzles are specifically designed and installed for rapid deployment by how many people?

A

One

67
Q

Approximately how many knots relative wind speed provides optimum distribution of AFFF from the flight deck extinguishing system?

A

15 knots

68
Q

Who shall supervise the activation of appropriate zones of the hangar sprinkling system for any multi aircraft fire or when a spill fire is judged to be beyond the capability of the initial hose team?

A

HDO

69
Q

What should be utilized as the initial agent of choice for the control and extinguishment of aircraft engine wet start/residual fires because of its clean agent qualities?

A

Halon 1211

70
Q

Jettison of aircraft may only be authorized by whom?

A

CO

71
Q

A minimum of how many conflag stations in each hangar bay shall be manned during ordnance loading/off-loading?

A

One

72
Q

CVN flight decks have an AFFF firefighting system consisting of flush deck and deck edge nozzles installed in combination with the salt water washdown system. AFFF from the concentrate tank is injected into the saltwater via positive displacement pump at how many gpm?

A

60 gpm

73
Q

A minimum of what percent of the installed fire pump capacity shall be available in each of the hole fire main groups to provide adequate AFFF coverage for flight quarters?

A

75%

74
Q

What is the flight deck repair team called?

A

Crash and salvage

75
Q

During non-flight operations while aircraft are embarked, crash and salvage crew shall be manned with at least 1 MFFV driver and how many rescue personnel?

A

2

76
Q

Who is a trained individual in the vicinity of an incident who understands the requirements of the emergency and accepts responsibility for directing all available firefighting assets at the scene?

A

Scene leader

77
Q

When in place a hose team shall consist of one AFFF hose with a minimum of five people (max 7) on each 2 1/2” hose and a minimum of three people (max how many) on each 1 1/2” hose?

A

5 people

78
Q

All personnel assigned duties incidental to flight operations shall attend a formal aviation firefighting school as required by what (series)?

A

OPNAVINST 3541.1

79
Q

Who is responsible to the air officer for organizing and supervising the response to all aircrafts related emergencies on the flight nd hangar deck?

A

Air boatswain

80
Q

Balanced pressure proportioners are installed on lhd’s and lhd’s. The balance pressure proportioners mixes AFFF concentrate with saltwater at a nominal percent of what over a wide range of flows?

A

6%

ABH STUDY QUESTIONS (21 decks)

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